OMNICOM GROUP INC. — Director's Dealing 2006

Dec 21, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2006-12-19

Reporting Person: Simm Daryl (Chmn/CEO Omnicom Media Group)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-12-19	Common Stock, par value $0.15 per share	M	8333	$62.35	Acquired	22116	Direct
2006-12-19	Common Stock, par value $0.15 per share	M	14000	$65.50	Acquired	36116	Direct
2006-12-19	Common Stock, par value $0.15 per share	M	40000	$78.31	Acquired	76116	Direct
2006-12-19	Common Stock, par value $0.15 per share	M	40000	$79.50	Acquired	116116	Direct
2006-12-19	Common Stock, par value $0.15 per share	S	102333	$105.17	Disposed	13783	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-12-19	Employee Stock Option (right to buy)	$62.35	M	8333	Disposed	2011-10-02	Common Stock (8333)	Direct
2006-12-19	Employee Stock Option (right to buy)	$65.50	M	14000	Disposed	2009-02-25	Common Stock (14000)	Direct
2006-12-19	Employee Stock Option (right to buy)	$78.31	M	40000	Disposed	2010-03-08	Common Stock (40000)	Direct
2006-12-19	Employee Stock Option (right to buy)	$79.50	M	40000	Disposed	2011-04-04	Common Stock (40000)	Direct

Footnotes

F1: The reported sale price reflects the weighted average price of multiple transactions on December 19, 2006. The actual sales
prices for the transactions ranged from $105.00 to $105.62.

F2: These shares vested on March 4, 2002.

F3: 30% of the shares vested on February 25, 2000; 30% of the shares vested on February 25, 2001; and the remaining 40% of the
shares vested on February 25, 2002.

F4: 30% of the shares vested on March 8, 2001; 30% of the shares vested on March 8, 2002; and the remaining 40% of the shares
vested on March 8, 2003.

F5: 30% of the shares vested on April 4, 2002; 30% of the shares vested on April 4, 2003; and the remaining 40% of the shares
vested on April 4, 2004.